1Heat gas or charcoal grill. In small bowl, combine chicken, barbecue sauce and chili powder; mix well. Spread evenly on pizza crust. Sprinkle with cheese, onion and bell pepper.
2When grill is heated, place pizza directly on gas grill over medium heat or on charcoal grill 4 to 6 inches from medium coals. Cook 8 to 10 minutes or until bottom of pizza is crisp and cheese is melted.