DIVIDE 4 ounces crumbled bleu cheese.
COMBINE all of the WHIPPED DRESSING INGREDIENTS in a medium to large bowl: 2 ounces crumbled blue cheese, 1 cup mayonnaise, 2/3 cup sour cream, 1/4 cup buttermilk, 1 tablespoon fresh lemon juice, 1 1/2 teaspoons red wine vinegar, 1/2 teaspoon kosher salt, 1/3 teaspoon sugar, 1/3 teaspoon Worcestershire sauce, 1 clove mashed garlic (use a garlic press).
WHIP dressing ingredients with a hand-held mixer on low to medium speed until creamy.
ADD the STIRRED DRESSING INGREDIENTS to mixture in bowl: 2 ounces crumbled blue cheese, 3 tablespoons snipped fresh baby dill, 1 teaspoon freshly cracked black peppercorns (or coarse ground black pepper).
STIR mixture with a spoon until well combined (if a thinner dressing is desired you may add more buttermilk and adjust seasonings).
POUR dressing into a resealable container or jar.
SERVE with your favorite vegetables, salads or buffalo wings.
REFRIGERATE unused portion up to 2 weeks in sealed container.