Disney says
Baked Chicken Leg with GoGo squeeZ® Applesauce and Mashed Potatoes or Rice with Small DASANI® Water.
Friendliest.app says
The Kids' Baked Chicken can be prepared free of all the top 8 food allergens - gluten/wheat, milk, fish, shellfish, peanuts, tree nuts, eggs and soy.

If ordered with Mashed Potatoes, the meal contains milk. If ordered with the optional Gravy, the meal contains gluten/wheat, milk and soy.