Start pizza dough proofing (is using) at least one hour before starting the chicken.
Preheat oven to 350degF.
In a small dish, combine salt, pepper, paprika, 1 teaspoon parsley, onion and 1 teaspoon garlic powder. Place chicken breasts on a baking rack over a parchment paper covered baking sheet. Spray each with some cooking oil then sprinkle with seasoning mixture. Place in oven to bake for 30 minutes.
Once the pizza dough is completed as listed in the recipe below, start building the pizzas.
In a frying pan over medium high heat, add bacon. Cook until crispy and remove to paper towel covered plate to cool.
In a small sauce pan over medium heat, add 1 cup butter. Once melted whisk in buffalo sauce. Reduce heat to low and let simmer for 15 minutes. Remove from heat.
Increase heat in oven to 425degF. Split dough in half and roll out to two round crusts. Place on pizza pans (can also make two rectangular crusts on a baking sheet). Place in oven to bake for 12 minutes.
Cut chicken into roughly half-inch cubes. Chop bacon into bacon bits. Whisk buffalo sauce (if it's separated). Combine mozzarella and cheddar cheese.
In a microwave safe dish, melt remaining butter. Add 1 teaspoon of garlic powder and one teaspoon of parsley.
Remove pizza crusts from oven. For one pizza, spread one cup buffalo sauce over top of crust. Evenly sprinkle with 1 cup of cheese. Layer with half of the chicken and half of bacon. Sprinkle with ½ cup of cheese mixture. Lastly, brushed melted garlic butter around outer crust of pizza. Repeat on second pizza. Place in oven and bake for 10 minutes more. Remove and let rest for 5 minutes, Finally drizzle with remaining buffalo sauce.