In a large mixing bowl, add the cream cheese, 1 ¾ cups of the mozzarella, mayonnaise, sour cream, green onions, hot sauce, cayenne, brown sugar, paprika, garlic powder, and a pinch of salt. Stir until smooth and well combined. Gently fold in most of the chicken, reserving about 1/4 cup for the top.
8 ounces cream cheese, 1/3 cup mayonnaise, 1/3 cup sour cream, 2 green onions, 2 Tablespoons hot sauce, 1 Tablespoon cayenne pepper, 2 teaspoons packed brown sugar, 2 teaspoons paprika, 1 teaspoon garlic powder, Kosher salt, 12 ounces breaded chicken, 1.75 cups shredded mozzarella cheese