Whisk the sour cream, pickle juice, ranch seasoning, parsley, dill, granulated garlic, granulated onion, and celery salt together in a medium bowl.
16 ounces sour cream, ¼ cup pickle juice, 1 ounce ranch seasoning, 1 tablespoon minced fresh parsley, 2 teaspoons minced fresh dill, ½ teaspoon granulated garlic, ½ teaspoon granulated onion, ¼ teaspoon celery salt