Wild Rice and Chicken Casserole

2 C. cut-up cooked chicken
1/2 C. frozen green peas
2-1/4 C. boiling water
1/3 C. milk
1/4 C. chopped onion
1 (10-3/4oz) can cream of mushroom soup
1 pkg. long grain and wild rice

1. Heat oven to 350 degrees

2. Mix all ingredients, including rice seasoning in casserole dish.  Cover and bake 45-50 minutes or until rice is tender

3. Uncover and bake 10-15 minutes or until liquid is absorbed.