In the empty pasta pot (or separate saucepan), combine cream cheese, skim milk, Greek yogurt, cheddar, garlic powder, onion powder, chipotle powder, smoked paprika, salt, pepper, and lime juice. Stir over low heat until melted and creamy.
4 oz low-fat cream cheese, ½ cup skim milk, ½ cup nonfat shredded cheddar cheese, ½ cup nonfat plain Greek yogurt, 1 tsp garlic powder, 1 tsp onion powder, 1 tsp chipotle powder, 1 tsp smoked paprika, ½ tsp salt, ½ tsp black pepper, Juice of ½ lime