Typically you'd be able to pass the schema to the component dynamically using {{}} but with the bug I mentioned above that currently isn't functioning correctly 
It may be somewhat of a lift but if there are enough shared components between the different schema you might be able to create a dynamic form by showing/hiding Retool components depending on what's present in the schema. I'm imagining something like the following (of course you could also set more of the component's options dynamically):
Placement of the components is a bit tricky and may require some duplication but I'm curious if something like this might work for you until the bug is fixed:
