1Cook bacon and chop into small pieces, then boil pasta according to package directions.
2Spray a 9x13 baking dish with cooking spray.
3Pour the cooked pasta into the bottom of the baking dish.
4Add the rotisserie chicken, Alfredo sauce, ranch seasoning packet, a portion of the mozzarella, cheddar cheese, and some bacon, and stir everything together.
5Top with the remaining cheddar, mozzarella, and crumbled bacon.