Cook the pasta in salted boiling water according to package instructions.
While pasta is cooking add chopped pickles, cheese, onion, and dill to a large bowl and set aside.
Drain the cooked pasta from water and rinse under cold water. Add 1/2 cup pickle juice to the pasta and let sit for 5 minutes.
Prepare the dressing by combining mayo, sour cream, pickle juice, and cayenne pepper in a separate dish. Whisk to combine.
Drain pickle juice from the pasta and add pasta to the large bowl along with dressing. Toss to combine all ingredients. Add salt and pepper to taste.
Serve immediately or refrigerate to allow flavors to meld.