Cheesy Hot Dog Tater Tot Casserole

8 hot dogs, cut into 1/2-inch slice
2 (15-ounce) cans chili (either with or without beans)- i use one of each
3/4 cup ketchup
1 teaspoon Worcestershire
1/2 medium onion, finely chopped
1/4 teaspoon crushed red pepper flakes
2 1/2 cups shredded sharp cheddar cheese, divided
1 (28-ounce) bag frozen tater tots
Preheat oven to 350 degrees and spray a 9×13-inch pan with cooking spray.
In a large bowl, combine sliced hot dogs, chili, ketchup, Worcestershire sauce, onion, and red pepper flakes. Mix well.
Transfer mixture to prepared pan.
Sprinkle 1 1/2 cups cheese on top.
Spread tater tots on top of cheese layer.
Bake for 30 minutes.
Sprinkle remaining 1 cup cheese on top and bake another 10 minutes.