Brown hot dogs in skillet add onion and cook just until onions are clear.I like to lay out my tortilla's on the counter and place hot dogs, some onions and a little cheese in each one.Reserve at least half of cheese. Roll up hot dogs in tortilla's and place in rows in a 13 x9 pan! I put toothpicks in mine to keep it rolled up.
Pour both cans of chili on top and sprinkle with remaining cheese and bake for about 25min or until cheese and chili are bubbling! Enjoy!