Heat Oven To 400 Degrees F. Unroll Pizza Dough On Baking Sheet Sprayed With Cooking Spray; Press Into 15X10-Inch Rectangle. Bake 10 Min. Mix Mayo And 1/3 Cup Dressing; Spread Onto Crust. Top With Half The Cheese, Chicken, Remaining Cheese And Bacon. Bake 5 Min. Or Until Crust Is Deep Golden Brown And Cheese Is Melted. Top With Lettuce And Tomatoes; Drizzle With Remaining Dressing.