Grilled Barbecue Chicken Pizza

Ingredients

• 4 1/2 cups (22 1/2 ounces) unbleached bread flour, chilled, plus more for dusting
• 1 3/4 teaspoons salt
• 1 teaspoon instant yeast
• 1/4 cup olive oil
• 1 3/4 cups (14 ounces) ice cold water
• 2 tablespoons butter
• 1 medium red onion, halved and thinly sliced
• 4 chicken thighs
• 2 tablespoons of your favorite barbecue rub
• 1/2 cup of your favorite barbecue sauce
• 2 cups barbecue pizza sauce
• 8 ounces fresh mozzarella, grated
• 8 ounces smoked mozzarella, grated
• 1/4 cup roughly chopped cilantro