Pocket gophers will raise hell with fruit tree roots. Lined ground squirrels can do some damage, but they aren't as bad to deal with as pocket gophers.
http://www.minnesotaseasons.com/Mammals/plains_pocket_gopher.html
https://www.dnr.state.mn.us/mammals/thirteenlinedgroundsquirrel.html
If there's nothing growing there now, that's a pretty good clue as to what will grow there in the future. Unless there's a bunch of much better soil under that sand I wouldn't waste my time trying to grow a foodplot there. Plant pines and pray for rain.