Preheat oven to 375 degrees.
On baking tray spread Mission Tortilla Chip Strips evenly out. Spoon entire can of chili over the top of the chips.
Spoon cheese sauce of the top of chili. Place cut hot dog pieces on the top of the cheese sauce. Cook approximately 5-8 minutes until heated through.
Remove from oven. Sprinkle with shredded cheese and diced onion.
Squeeze yellow mustard over top in decorative lines.