"Saw a few recipes called for this dressing and that it wasn't posted on this site. Nice easy southwest dressing for salads. Used it on our last camping trip; it was quick and easy to prepare in our trailer."
1Stir yogurt, sour cream, ketchup, onion, lime juice, cilantro, cumin, chili powder, garlic powder, and salt together in a bowl with a whisk until smooth.
2Cover bowl with plastic wrap and refrigerate until chilled, at least 10 minutes.