Combine all well, set aside.
Toss cheese with flour. Cook chorizo and onion in a cast iron skillet over medium heat until the meat is cooked through and crumbled, approx. 3 min. Remove sausage and onions from skillet. Add lager and bring to a simmer over medium-high heat. Stir in cheeses a little at a time until completely melted. Add chorizo mixture back to pan with a dash of hot sauce. Top with salsa and serve immediately with tortilla chips or warm tortillas.
* To make this recipe gluten-free friendly, use gluten-free flour.