Many, but not all, of the restaurants at WDW are included on the Disney Dining Plan.
The Disney Dining Plan brochure can be downloaded from the WDW website.
This includes a listing of all restaurants that are on the Dining Plan,
as well as additional information about number of credits used, counter
service vs. table service, etc.
To download the brochure, click
HERE, then click on the Disney Dining Plan card, then click on "Download Disney Dining Plan PDF."
Enjoy your visit to Walt Disney World.