Hello Michelle,
Hot dog, hot dog, hot diggity dog! Now we got ears, it's time for cheers - your son is branching out to food other than chicken. That's cause of celebration!
Fortunately, his tastes can easily be satisfied at Disney World.
For table service meals, there's a few places that include hamburgers on its menu, including
Sci-Fi Dine In Theatre and
T-REX.
But if you're looking to grab a quick bite to eat with a counter service meal, there's a few options like Pecos Bill Tall Tale Inn at Magic Kingdom (one of my favorite places to eat), Electric Umbrella at Epcot, and
Restaurantosaurus in Animal Kingdom.
Hope this helps. Enjoy your meals!