Cook rotini pasta in salted boiling water until al dente.
Drain pasta and rinse under cold water until cool.
Dice cooked chicken into bite-sized pieces.
Cook bacon until crispy, drain, and crumble.
Slice green onions thinly.
Combine cooled pasta, chicken, bacon, cheddar, and green onions in a large bowl.
Pour dressing over the mixture and fold gently until evenly coated.
Garnish with extra cheese, bacon, and green onions if desired.
Chill for 15 minutes before serving.
Tip: Rinse the pasta thoroughly so it does not stick together.
Tip: Add a splash more dressing if the salad thickens after chilling.