Place all the ingredients into a bowl. Whisk to combine.
1 ¼ cup mayonnaise, ½ cup sour cream, 1 ½ tablespoons freshly squeezed lemon juice, 1 teaspoon Old Bay Seasoning, ½ teaspoon dried dill, ½ teaspoon onion powder, ¼ teaspoon ground cumin, ¼ teaspoon chipotle powder, ¼ teaspoon smoked paprika, ¼ teaspoon garlic salt, ¼ teaspoon salt, ⅛ teaspoon ground black pepper