Drizzle oil on the bottom on the Instant Pot and set to the sauté setting. Once the oil is heated, add the diced onion and minced garlic. Stir while cooking, until slightly soft, about 1-2 minutes.
Add the ground chicken and start to break it up. Sprinkle on the seasonings and continue to break up while cooking. Cook the chicken until it is halfway cooked, it will continue to cook once pressure cooked.
Turn the Instant Pot off.
Add the pasta noodles, water, chicken broth, tomato sauce and ketchup. Stir to combine and try to cover the pasta noodles in the water as much as possible.
Top with the cream cheese.
Cover the pot and secure the lid. Make sure the valve is set to sealing. Set the pressure cook button to 4 minutes and start it.
Once completely cooked, vent and de-pressurize the instant pot then open the lid.
Add the shredded cheese and mix everything together while melting the cheeses.