Slow Cooker Ranch Dressing Pork Chops

Ingredients: Onion (1) - sliced into strips Pork Chops - (8-10) - center-cut boneless Cream of onion soup - 1 can (10.5 ounces) Cream of mushroom soup - 1 can (10.5 ounces) Water - 5 ounces Ranch dressing mix - 1 packet (1 ounce) Dry onion soup mix - 1 packet (1 ounce) Optional- salt