Heat oil in the ninja foodi using the saute setting on medium-high.
Add hot dogs and fry slightly until lightly browned, approx. 3 minutes.
Add chili and rice, mixing well. Simmer, stirring frequently for 5 minutes or until the chili is heated through.
Mix half of the cheese into the chili dog mixture until melted and well incorporated.
Top with tater tots as evenly as possible. Close the air fryer lid and change the foodi to the air crisp setting at 375° for 18 minutes.
Top tater tots with remaining cheese. Use the air crisp setting at 375° again for 3 minutes or until cheese is fully melted.
Allow to rest 10 minutes to firm up and to allow the rice to continue cooking.
Serve and top with green onion, sour cream, or other toppings of your choice.