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551 Thompson Blvd, Union, SC 29379-1555
864-427-6263
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Dining options: Outdoor Seating

TripAdvisor Reviewer Highlights

Read all 13 reviews
Visitor rating
  • 8
    Excellent
  • 5
    Very good
  • 0
    Average
  • 0
    Poor
  • 0
    Terrible
Rating summary
  • Food
    4.5 of 5 stars
    Service
    4.5 of 5 stars
  • Value
    4.5 of 5 stars
    Atmosphere
    4.5 of 5 stars
Milkshake Heaven

They have the best milkshakes in Union County. They have a little bit of everything hamburgers, fries, hotdogs, ice cream and all the good stuff.

5 of 5 starsReviewed August 6, 2015
adavis69
,
Union, South Carolina
Good for:
  • Local cuisine
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13 Reviews from our TripAdvisor Community

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Date | Rating
  • English first
  • Any
English first
Union, South Carolina
Level Contributor
7 reviews
6 restaurant reviews
5 of 5 stars Reviewed August 6, 2015

They have the best milkshakes in Union County. They have a little bit of everything hamburgers, fries, hotdogs, ice cream and all the good stuff.

Was this review helpful? Yes
Greenville, South Carolina
Level Contributor
49 reviews
45 restaurant reviews
common_n_restaurant_reviews_1bd8 24 helpful votes
5 of 5 stars Reviewed March 15, 2014

We have family on this end of the state and pass through Union regularly. If we are in town on Saturday, Dairo-O is always discussed as lunch option. We recently ate here and food was excellent. I had two hot dogs and my wife had a bologna sandwich which she loved. We shared a large fry. Both had sweet tea.... More 

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Union, South Carolina
Level Contributor
4 reviews
common_n_restaurant_reviews_1bd8 3 helpful votes
5 of 5 stars Reviewed March 4, 2014

First my daughter says this place has the best hotdogs in the WORLD. I don't know about that but their hamburgers are great. Just down the road from McDonalds but a world apart in taste and size. As a previous review said don't order a double unless your really hungry. Also with a name you would expect delicious shakes and... More 

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Greenville, South Carolina
Level Contributor
121 reviews
89 restaurant reviews
common_n_restaurant_reviews_1bd8 91 helpful votes
4 of 5 stars Reviewed September 10, 2013

A great place to have a burger. Large helpings - DON'T order the double burger - it is massive. We were very pleasantly surprised.

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Level Contributor
88 reviews
63 restaurant reviews
common_n_restaurant_reviews_1bd8 59 helpful votes
5 of 5 stars Reviewed October 4, 2012 via mobile

I was working in the area and heard about this little place from the locals. This is not for the health conscious but for those looking for a good old fashioned burger with all the fixings. You won't get that little skimpy paper thin bacon like at most chains, this place serves up that thick sliced stuff! My only complaint... More 

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nc
Level Contributor
6 reviews
common_n_restaurant_reviews_1bd8 2 helpful votes
4 of 5 stars Reviewed April 16, 2012

Decent selection - great staff. Large portions, you won't leave hungry. Very reasonable prices.

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Union, South Carolina
Level Contributor
24 reviews
12 restaurant reviews
common_n_restaurant_reviews_1bd8 7 helpful votes
4 of 5 stars Reviewed March 21, 2012

They are hands down the best burger place around!!!

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Union, South Carolina
Level Contributor
91 reviews
66 restaurant reviews
common_n_restaurant_reviews_1bd8 20 helpful votes
5 of 5 stars Reviewed March 10, 2012

Best burgers in town!! For a good burger, you must come here!!

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Union, South Carolina
Level Contributor
24 reviews
12 restaurant reviews
common_n_restaurant_reviews_1bd8 7 helpful votes
4 of 5 stars Reviewed February 14, 2012

The hamburgers are the best I've ever had anywhere!

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Union, South Carolina
Level Contributor
3 reviews
3 restaurant reviews
5 of 5 stars Reviewed February 4, 2012

dairi-o has the best service and food. chilli cheese fries are awesome....

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Restaurant Details

Location and Contact Information

  • Address: 551 Thompson Blvd, Union, SC 29379-1555
  • Location: United States  >  South Carolina (SC)  >  Union
  • Phone Number: 864-427-6263

Price and Cuisine

  • Average Prices: USD 5 - 10
  • Cuisine: American

Restaurant Characteristics

  • Good for: Local cuisine

Questions & Answers

Questions? Get answers from Dairi-O staff and past visitors.
Posting guidelines
Typical questions asked:
  • Do you have gluten-free options?
  • Is there a dress code?
  • Do you allow dogs on the outdoor patio?