Rescue from Grocery store..

[LizB88]

Hello everyone, I hope you can help me. I rescue this baby from being discarted from my local grocery store. The store manager knows I love orchids and save it for me instead of putting it in the trash, as they usually do when they don't sale and blooms fall out.

When I got it, the plant was extremely dehydrated, I know is an oncidium alliance, don't have the ID 9maybe can get help with that too) and it had spike twice. After a good drench and lots of TLC, It gave me a very small spike, however what I though was just a very small spike from the mature pseudobulb, but as you can see it is a very small pseudobulb growing on top out the old one. So my question is, once it finish flowering how to transplant this baby?