We stayed in one of the one bedroom premier rooms at Glacier Canyon and we very happy with the set up and the many attractions surrounding us on the Wilderness campus. Ask for a room on the 2nd level close to the skywalk and bring a stroller. The Lost World had the best outdoor area for little kids (we had a 2 year old and a 9 month old) structure was perfect for elementary kids. Wild West was the best indoor park for little ones. With 6 waterparks, arcade, zipline and much more, there is no need to leave the resort if that interests you.
I will suggest that you bring some of your own food or get meals off of the resort as the concession stand makes for an over priced lunch.
Overall great experience! Thinking about coming back next year already!