Cook the rotini pasta according to the package instructions until al dente. Drain and let it cool.
In a bowl, whisk together ranch dressing, mayonnaise, sour cream, garlic powder, dried dill, salt, and black pepper
In a large mixing bowl, combine the cooked pasta, shredded cheddar cheese, crumbled crispy bacon
Drizzle the prepared ranch dressing over the pasta and other ingredients in the bowl.
Gently toss all the ingredients together until they are well coated with the dressing. Refrigerate the pasta salad for at least 1 hour to let the flavors meld.
Just before serving, garnish your Cheddar Bacon Ranch Pasta Salad with fresh parsley for a pop of color and extra flavor.