Hash Brown Potato Casserole, aka Funeral Potatoes

2 lbs. pkg frozen hash brown potatoes
1/2 cup butter
1/2 cup finely chopped onion
1 can cream of chicken soup
1 cup of sour cream
1 tsp salt
1 - 8oz pkg of shredded cheddar cheese
1 cup crushed potato chips

Mix butter, onions, soup, sour cream, salt and cheese together in a large bowl. Then mix in frozen hash browns and crushed potato chips. Place in greased 9x13. Bake for an hour at 375 and if doubled for 1-1/2 hrs.