01 - Cook pasta according to package directions. Drain and rinse under cold water to stop cooking. Set aside to cool completely.
02 - In a large mixing bowl, whisk together sour cream, mayonnaise, and ranch seasoning mix until thoroughly combined and smooth.
03 - Add cooled pasta to the bowl. Fold in cheddar cheese, crispy bacon crumbles, thawed peas, and sliced green onions. Toss well to evenly distribute.
04 - Refrigerate pasta salad for at least 1 hour to allow flavors to meld and develop fully.
05 - Top with additional bacon, cheddar cheese, or green onions if desired. Serve cold.