01 - Preheat oven to 475°F. Place pizza stone in oven during preheating if using.
02 - Roll out pizza dough on lightly floured surface to 12-inch circle. Transfer to parchment-lined baking sheet or pizza peel.
03 - Combine cooked chicken with 2 tablespoons BBQ sauce in small bowl. Toss to coat evenly.
04 - Spread 1/2 cup BBQ sauce evenly over dough, leaving 1/2-inch border for crust.
05 - Sprinkle mozzarella and gouda cheeses uniformly over sauce base.
06 - Distribute BBQ chicken and sliced red onions across pizza surface.
07 - Bake 12-15 minutes until crust turns golden brown and cheese bubbles with light browning.
08 - Remove from oven, rest 2 minutes. Garnish with fresh cilantro. Drizzle with additional BBQ sauce if desired. Slice and serve hot.