Preheat oven to 350 degrees. In a baking dish arrange chicken. Pour 1/3 cup buffalo sauce over the top and spread over chicken. Place in oven and bake 20-25 minutes or until chicken is cooked through (this is a good time to cook the fries as well). Using 2 forks, shred the chicken and set aside.
Turn oven to 425 degrees.
Using a large baking sheet either covered in parchment or sprayed with nonstick spray, arrange waffle fries in a single layer. Add mozzarella cheese, then chicken, pepper jack cheese, bleu cheese crumbles, and buffalo sauce. Bake for 5-10 minutes, or until cheese is melted. Remove from oven.
Add ranch, green onions, and parsley. Serve immediately while hot!
If you want, you can use rotisserie chicken in place of the baked chicken. Just shred the rotisserie chicken well and add buffalo sauce to coat.