Hi Mortlives,
There are a few of places that have eggs benny and most are not far from a park:
Rainforest Cafe Animal Kingdom - Animal Kingdom
Concourse Steak House - Magic Kingdom
Grand Floridian Cafe - Magic Kingdom
Kona Cafe - Magic Kingdom
Boatwrights - Okay this one isn't close to anything but Riverside!
Yacht Club Galley - Epcot
I can have only had them at Kona Cafe and they were very good. A bit lemony but I liked them.
Enjoy!