Coat cold cooking grate of grill with cooking spray, and place on grill. Preheat grill to 350 (medium heat).
Spread hot sauce over crust, and layer with next 3 ingredients.
Place crust directly on cooking grate. Grill, covered with grill lid, at 350 (medium heat) 4 minutes. Rotate pizza one-quarter turn, and grill, covered with grill lid, 5 to 6 more minutes or until thoroughly heated.
Serve immediately.
Note: For testing purposes only, we used Boboli prebaked pizza crust.
Oven-
Baked Buffalo Chicken Pizza: Assemble pizza as directed, and bake according to package directions for pizza crust.