Class06. I think you are refering to a Spot Turn, say to your right. A Spot Turn is only a walk down the floor turning. Get the whole of your LF onto the floor, that is ball heel with a very straight leg , knee locked, and turn over it. Transfere the weight to your RF. Turn to face partner and Cha Cha Cha. The timing is 234a1. Have fun.
If you look on this Web-site you will find a video clip on the steps that you need.