Slice the white onion.
Open the can of green chilies. Open and drain the cans of Great Northern beans.
Place the chicken breasts into the pressure cooker insert with the hot water, sliced onion, minced garlic, green chilies, salsa verde, cans of Great Northern beans, and chicken stock. Stir together. Put the lid on and set the valve to Sealing.
Cook on Manual, High Pressure Mode, for 25 minutes.
Let the pressure release naturally, then using 2 forks, pull the chicken apart into smaller pieces. Then stir in the heavy cream.
Ladle soup into bowls and garnish with sour cream and sliced green onions.
Cook the rice as directed.
Prepare veggies.
Serve Instant Pot Chicken Chili Verde with rice and veggies.