Tandy,
Here is where I would go;
- October 10 - Magic Kingdom (AM) / Hollywood Studios (PM)
- October 11 - Epcot (all day)
- October 12 - Hollywood Studios (all day)
- October 13 - Magic Kingdom (all day)
- October 14 - Animal Kingdom (AM) / Magic Kingdom (PM)
- October 15 - Optional park day
If you have time for a park on the 15th, I would leave it open and let your kids pick between the four parks (primarily Epcot and Hollywood Studios). That let's them know that they are part of the vacation too, and let's them hit what they are dying to do one last time before the end of the vacation!
As for quick service dining, here are a few per park that I recommend;
Magic Kingdom
Pecos Bill Tall Tale Inn and Cafe
Columbia Harbor House
Cosmic Ray's Starlight Cafe
Epcot
Tangierine Cafe
Boulangerie Patisserie
Sunshine Seasons Food Fair
Hollywood Studios
The Restaurants of Sunset Boulevard
ABC Commissary
Animal Kingdom
Flame Tree BBQ
Yak and Yeti Counter Service
Write back if I can help more!
Have a magical (and delicious) vacation!