Dice your chicken, put it in a pan on medium heat, season and cook until almost done, set aside.
Chop 1/5 onion into thin slices.
Spray oil a cast iron pan and begin layering your pizza upside down. Chicken, then onion, Gorgonzola cheese, shredded mozzarella, bbq sauce and then cover with pizza dough.
Put in the oven at 325 for roughly 20-25 minutes before removing and letting rest for 5 minutes. Flip, slice and serve.