Season patties with salt and pepper. Cook patties in a skillet over medium-high heat 5-6 minutes per side or until no longer pink in the centers. Top each with 1 slice cheese, and let stand until melted.
Meanwhile, heat chili according to directions on can
Serve patties on buns topped with desired amount of chili and fried onions.
Note: you can serve the remaining chili for lunch next day as a hot dog topping.