Copy Cat Newman's Own Southwest Dressing

* 2 tablespoons fat free ranch dressing

* 1 tablespoon nonfat sour cream

* 1/4 teaspoon apple cider vinegar

* 1/4 teaspoon lime juice

* 1/4 teaspoon chili powder

* 1 dash onion powder

* 1 dash garlic powder

* 1 dash cumin