CARIBBEAN BBQ Sauce: Mix all ingredients in saucepan. Bring to boil on medium heat, stirring frequently; simmer on medium-low heat 2 min. Remove from heat.
PIZZA: COMBINE chicken with half of the Caribbean BBQ Sauce; cook on medium heat until heated through, stirring frequently. Keep warm.
FOR each pizza: Grill 1 crust on medium-high heat 1 to 2 min. on each side or just until crisp on both sides.
COVER with 2 Tbsp. (1/2 oz.) cheese, 3 oz. chicken mixture, and 1/4 cup (1 oz.) each onions and yellow peppers. Top with 1/4 tsp. crushed red pepper, 2 Tbsp. of the remaining Caribbean BBQ Sauce and 6 Tbsp. (1-1/2 oz.) of the remaining cheese.
BAKE in 375ºF-convection oven 8 to 10 min. or until cheese is melted and pizza is heated through. Sprinkle with 1 Tbsp. cilantro.