For chili, in a large skillet, cook beef over medium heat 5-7 minutes or until no longer pink, breaking into crumbles; drain. Transfer beef to a food processor; pulse until finely chopped.
Return beef to skillet; stir in seasonings and ketchup. Bring to a boil. Reduce heat; simmer, covered, 15-20 minutes to allow flavors to blend, stirring occasionally.
Meanwhile, cook hot dogs according to package directions. Serve in buns with chili. If desired, top with cheese and onion.
