Of course these are simply our opinions....going by what our kids at those age loved! Trying to give you a TS and a QS for each. At those ages, we defined "great" as places that had food they liked, fun atmosphere & entertaining. Not so much the foodie level.
Magic kingdom - Crystal Palace & Cosmic Rays
Animal kingdom - Rainforest Cafe & Flame Tree BBQ
Disney Springs - Ragland Road & Earl of Sandwich
Hollywood studios - SciFi & 50's Prime Time (yeah, I know both are TS), for QS...they always like Pizza Planet that isn't there anymore.
On a side note resort favorites hands down are Ohanas (Poly) for dinner, Trails End (Wilderness Lodge)for breakfast and Beaches Cream (Beach Club) for snacks!