Cook the pasta according to the directions on the box. Drain and let the pasta cool.
Add the light mayonnaise, fat free sour cream, red wine vinegar, splash of banana pepper juice, oregano, minced garlic, salt, and black pepper to a small bowl. Whisk the ingredients together.
Add the cooked pasta, cherry tomatoes, turkey pepperoni, red onion, banana peppers, and cheese to a large bowl. Pour the dressing over the ingredients and stir together.