I have a cousin who is doing a program in Victoria where she is trying several trades, and the will have the option to carry on with a specific one if she wants.
I can't find the exact program, but some quick googling found this:
https://www.ufv.ca/trades/programs/trades-discovery/
If your son is at UVic, then there should be something close to you that is similar.
If he's dead set on finishing university then it's probably not for him, but if trades are something that might interest him, there are options out there to try a bunch and see what suits you.
After slightly more googling, this might be the program my cousin is doing:
https://www.nic.bc.ca/programs/trade...ro-credential/
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