Preheat oven to 400ºF.
Combine ½ cup shredded Parmesan, Dean’s Ranch Dip, 2 tablespoons parsley, 1 teaspoon garlic and pepper flakes. Place chicken breasts, smooth side up, in greased or foil-lined baking dish. Spoon Dip mixture on chicken breasts; spread to edges with back of spoon. Sprinkle 1 tablespoon bread crumbs evenly over each chicken breast, pressing lightly into Dip mixture. Bake 30 minutes or until chicken is cooked through.
Combine remaining 2 tablespoons parsley, 1 teaspoon garlic, tomatoes, olive oil, salt and pepper. Spoon tomatoes over chicken and sprinkle with remaining Parmesan.