Barbecue Chicken Pizza

1 chicken breast
1 1/3 cups barbecue sauce, divided
1 pizza crust
2 cups pizzaria cheese (blend of mozzarela & cheddar)
1/2 medium red onion, peeled and thickly sliced

Marinate chicken in 2/3 cup barbecue sauce for 4 hours or up to overnight. Place chicken and marinade in small baking dish. Bake at 350 degrees for 30 mins. or until the chicken is tender and no longer pink. Remove from oven.
Spread remaining 2/3 cup barbecue sauce over the crust. Sprinkle cheese evenly over crust, leaving 1/2 inch border. Shred chicken and arrange over cheese, topping with onion. Freeze, covering pizza with plastic wrap, followed by heavy-duty foil.

Label: Preheat oven to 425 degrees. Place frozen pizza on tray and bake for 15 mins. Check to see if the middle is warm. Optional: sprinkle with cilantro before serving