If you get one like this...
https://www.amazon.com/gp/product/B0002Z9O8C/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
...it has a bolt and insert instead of a pin. Takes a lot of the wobble away. NOT tow rated, but works great with my 4-bike hitch mount Thule.
This is before I put a new spare...