2 Tablespoons butter

1/4 teaspoon garlic powder

1/8 teaspoon onion powder

1 Tablespoon flour, plus more for dusting

1/2 cup + 2 Tablespoons heavy cream (could be substituted for half and half)

1/2 cup + 2 Tablespoons milk

1/2 cup shredded Parmesan cheese

Salt and pepper, to taste

Nonstick cooking spray

1 (16 ounce) tube refrigerated pizza dough

1 cup shredded Mozzarella cheese

1 1/2 cups cooked chicken, cubed

8 slices bacon, cooked and chopped

2 Tablespoons chopped green onions