Heat oven to 400°F. Grease 2 cookie sheets and hands. Divide dough into 6 pieces; press each into 6-inch round. Place 3 rounds on each cookie sheet.
Bake 8 minutes. In bowl, mix chicken and barbecue sauce. Top crusts with chicken mixture and cheese.
Bake 6 to 9 minutes longer or until crusts are deep golden brown and cheese is melted.