Preheat oven to 350* Pan spray a 9 x13 in casserole pan.
In a large bowl combine the chicken and red hot sauce. Stir in Alfredo, pasta, ranch dressing, salt and pepper and ½ c Cheddar cheese. Spoon the chicken mixture in a baking dish. Cover with the Provolone cheese and sprinkle with the cheddar cheese.
Bake covered for 25 minutes until mixture is hot and bubbling and cheese is melted.