To make the dressing, in a medium bowl, whisk together the Greek yogurt, pickle brine, fresh dill, mayonnaise, dried dill, onion powder, garlic powder, salt, and pepper.
Bring a pot of water to a boil.
Cook the pasta to al dente according to the package directions.
Drain the pasta and rinse under cold running water until completely cool.
Add the pasta, chickpeas, red bell pepper, pickles, red onion, cheddar, dill, and parsley to the bowl.
Add the dressing and toss until everything is evenly coated.