Press the Sauté button and add the oil to the inner pot and let it heat for 1 minute. Add the onion, carrots, celery, mushrooms, garlic, Worcestershire sauce, thyme, rosemary, salt, and pepper and Sauté for 10 minutes. Add the turkey and Sauté an additional 5 minutes. Press the Cancel button.
Add the stock and rice and stir. Secure the lid.
Press the Manual or Pressure Cook button and adjust the time to 20 minutes.
When the timer beeps, let pressure release naturally for 10 minutes, then quick-release any remaining pressure until float valve drops, then unlock lid.