Cook the pasta according to the package directions until tender.
Drain the pasta. Rinse the pasta under cold water.
Add the pasta to a large mixing bowl. Add the chicken, bacon, tomatoes, cucumber, cheddar cheese, red onion, and parsley or green onions.
In a small bowl, add the Greek yogurt, mayonnaise, ranch seasoning, lemon juice, garlic powder, onion powder, and black pepper. Stir the dressing until smooth.
Add 2 tablespoons milk. Stir until the dressing is creamy and pourable. Add more milk, 1 tablespoon at a time, if the dressing is too thick.
Pour the dressing over the pasta salad. Toss until everything is evenly coated.
Cover the bowl. Refrigerate for at least 30 minutes before serving.
Stir again before serving.
Notes
Tips and Tricks
Cool the pasta well - Rinse the pasta with cold water after draining so it does not warm the dressing or soften the vegetables.Use crisp bacon - Crisp bacon holds its texture better after the salad chills.Chop the vegetables evenly - Smaller, even pieces make the pasta salad easier to mix and serve.Thin the dressing slowly - Add the milk a little at a time so the dressing does not become too runny.
Storing
Refrigerate - Store the pasta salad in an airtight container in the refrigerator for up to 3 days.Stir before serving - Stir the pasta salad before serving because the dressing may settle as it chills.Do not freeze - This pasta salad does not freeze well because the dressing and fresh vegetables can change texture.