Pressure Cooker Wild Rice Casserole

Combine wild rice and 1 1/3 cup water in an all metal bowl which fits in the cooker loosely. Pour 2 1/2 cups water into bottom of cooker and place bowl with rice on rack in cooker. Cover bowl tightly with foil. Close cooker and cook for 20 minutes with slow steam escape from the regulator. Remove from heat and let pressure drop by itself. Remove the cooking rack and pour out remaining water. Heat cooker and brown sausage. Pour off fat. Add celery and onion to sausage and saute until tender. Stir in remaining ingredients including rice. Close cover and just bring the pressure up to the point where steam is escaping. Let pressure drop by itself.