Add the ranch ingredients to a high-sided container.
⅔ cup sour cream, ½ cup mayonnaise, ¼ cup milk, ⅛ tsp sugar, 1 ½ tbsp lemon juice, ½ cup chopped fresh parsley, 2 tbsp diced fresh chives, 2 tbsp chopped fresh dill, ½ tsp sea salt, ½ tsp cracked black pepper