Creamy Italian Chicken

1 packet italian salad dressing mix
1/4 water
1 lb chicken tenderloins
1 package cream cheese, softened
1 can cream of chicken soup
1 8oz can mushrooms
hot cooked noodles

1. Mix salad dressing and water, pour over chicken
2. Cook 3 hours on low in crockpot
3. Mix remaining ingredients (except noodles), pour over chicken
4. Cook 1 hour on low
5. Serve over noodles