Cook the pasta to al dente according to the package directions.
1 pound dry rotini pasta
Drain the pasta and let it cool completely.
Add the pasta, cheese cubes, diced dill pickles, dill, and chives to a large salad bowl.
8 ounces sharp white cheddar cheese, 2 cups diced dill pickles, 1 tablespoon chopped fresh dill, 1 tablespoon chopped fresh chives
In a separate dish, whisk the mayonnaise, sour cream, pickle juice, onion, garlic, salt, and black pepper together.
¾ cup mayonnaise, ½ cup sour cream, ⅔ cup pickle juice, ½ white onion, 2 cloves garlic, ½ teaspoon kosher salt, ¼ teaspoon ground black pepper
Toss the dressing and salad ingredients together until combined.
Refrigerate for at least one hour before serving.
Toss the salad with an additional ¼-½ cup pickle juice if desired.
Top the salad with extra pickles, dill, and chives.