01 - Boil pasta in salted water until al dente. 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 desired.
03 - Add the cooled pasta to the bowl and toss until evenly coated with the dressing.
04 - Gently fold in cherry tomatoes, bell pepper, shredded cheddar, bacon bits, green onions, and thawed peas.
05 - Mix until all ingredients are evenly distributed. Taste and adjust seasoning as needed.
06 - Refrigerate for at least 30 minutes to allow flavors to meld before serving.