01 - Boil pasta in salted water until al dente according to package directions. Drain, rinse under cold water, and set aside to cool completely.
02 - In a large bowl, whisk together mayonnaise, sour cream, ranch seasoning, and 1 tablespoon of milk. Add additional milk if a thinner consistency is preferred.
03 - Add the cooled pasta to the dressing bowl and toss until evenly coated.
04 - Gently fold in cherry tomatoes, bell pepper, shredded cheddar, bacon bits, green onions, and peas until uniformly distributed.
05 - Taste the salad and adjust seasoning as needed before transferring to a serving dish.
06 - Refrigerate for at least 30 minutes to allow flavors to meld before serving.