Add the chipotle peppers, adobo sauce, garlic, lime juice, paprika, onion powder, mayonnaise, sour cream, salt, and black pepper to a blender or food processor and blend until smooth.
1/3 cup mayonnaise, 1/3 cup sour cream, 1 tablespoon adobo sauce, 1 garlic clove, 1 tablespoon lime juice, 1/2 teaspoon paprika, 1/2 teaspoon onion powder, 1/2 teaspoon salt, 1/4 teaspoon pepper