Hi Lydia!
Disney offers so many wonderful dining options I have made you a list of our families favourites.
Magic Kingdom: Plaza Restaurant and Tony's Town Square
Epcot: Le Cellier, Coral Reef and Tutto Italia Ristorante
Hollywood Studios: 50's Prime Time Cafe, Mama Melrose and Sci-Fi Dine-In Theatre
Animal Kingdom: Rainforest Cafe
Downtown Disney: T-Rex and Portobello
Character dining restaurants that I would recommend for your family would include:
Chef Mickey's - characters include Mickey, Minnie, Goofy and Pluto
'Ohanas - characters include Lilo, Stitch and Mickey
Donald's Breakfast Safari- characters include Donald, Daisy and Goofy.
Reservations can be made by calling the dine line at (407) WDW-DINE or you can click here to make them online.
On the dining plan the most substantial snack you will find will be ice cream.