Sour Cream and Onion Dip

I don't super enjoy sour cream but I LOVE SOUR CREAM AND ONION flavoured chips. So, what do I do with some leftover sour cream? Make delicious sour cream and onion dip (with a purple onion)!! I tried to follow this recipe but I didn't really follow the weight amounts... let's see, I used one medium purple diced onion thrown on the stove at 200 degrees F for about 10 minutes, maybe 250 g of sour cream, 3 self-serving packets of mayonnaise, a lot of garlic powder, a bit of salt, and some herbs.
TASTES LIKE SOUR CREAM AND ONION POTATO CHIPS.... without the potato chip part.