I found this in some literature I got from my AAA office:
Show your card & save:
Show your AAA/CAA membership card at the following locations and save! Save 10%*** on food and beverages and dine with Disney characters at: Goofy's Kitchen at the DL Hotel, Disney's PCH GRill at Paradise Pier or Plaza Inn in DL park. Also, save at Ariel's Grotto and Wine Country Trattoria in DCA.
***valid only at selected dining locations in the resort during applicable times. Restaurant locations subject to closure/change.
Other discounts:
Receive a 20% discount on two magical tours at the DL Resort, including a Walk in Walt's Footsteps Tour and Welcome to DL Tour.