Begin by bringing a large pot of salted water to a boil. Add the tri-color rotini pasta and cook according to package directions until al dente, usually about 8-10 minutes. Stir occasionally and check for doneness.

Once cooked, drain the pasta in a colander and rinse briefly under cold water to cool it down and stop the cooking process.

In a large mixing bowl, combine the cooled tri-color rotini pasta with crispy bacon, diced turkey, ham, fresh lettuce, chopped tomatoes, and cheese cubes. Gently fold these ingredients together until evenly distributed.

In a separate medium bowl, whisk together mayonnaise and ranch seasoning until smooth and well-combined. Taste and adjust seasoning if necessary.

Pour the dressing over the pasta mixture and gently toss until everything is thoroughly coated. Avoid breaking the pasta.

Cover the bowl and refrigerate for at least 1 hour to allow flavors to meld. Serve cool.