There is a lot of scope here! Are you looking for dining in parks?
How old are the kids?
Do they like characters?
When you say not a lot of time, what do you mean?
If you have littles who like characters, and are in the park, some of the best Table Service would be
MK: Crystal Palace, buffet, Pooh characters, Liberty Tree travers, family style, food comes out quickly
Epcot: garden grill, characters, family style; Biergarten, buffet , fun show; San Angel, Mexican, eating inside the pyramid, Via Napoli, pizza; Coral Reef, by the aquarium, food is okay, aquarium is great
HS: Hollywood &Dine, Characters, Buffet; Roundup Rodeo, new BBQ family style place; Sci Fi, eat in cars with cheesy monster movie clips; 50s Prime Time cafe, back in the 50#
AK: Tusker House, characters, African themed buffet(my fav character meal on property); Yak &Yeti, PF changs style Chinese; Satuli Canteen, QS above average