Heat Extra Melt Cheese Sauce according to pouch directions.
Sauté chorizo in medium pan until fully cooked; drain, reserving small amount of grease in pan. Chop chorizo into small pieces.
Add onion to pan; cook, stirring, until translucent.
Whisk together cheese sauce, chorizo, onions and chipotle peppers in medium saucepan. Heat to 165°F. Stir in cilantro. Hold warm until service.