Buffalo Chicken Pizzas without sprinkles

2 tablespoons extra virgin olive oil 1 lb boneless skinless chicken thighs , chopped into bite-size pieces salt fresh ground black pepper 2 tablespoons butter[...]

olive oil 1 (10 ounce) can pillsbury prepared pizza crust 3 tablespoons butter or 3 tablespoons margarine 1 lb boneless skinless chicken breast half , cut[...]

4 pita bread rounds 1/4 cup bottled blue cheese dressing bottled buffalo wing sauce 9 ounces chicken , shredded 3/4 cup thinly sliced celery blue cheese ,[...]