Slow-Cooker Chili Mac 'n Cheese Dip

In a small slow-cooker, combine chili, onion, cheese, cream cheese, beer, and hot sauce and heat, covered, on high, 1 hour. Meanwhile, bring a large pot of water to a boil. Season generously with salt and add macaroni. Cook until al dente, 2 minutes, then drain. When ready to serve dip, add macaroni and stir until combined. Garnish with sour cream and cilantro (if using) and serve with tortilla chips.