Should I quit my job and explore?

So I’m currently 22 and doing a sheetmetal fabrication apprenticeship but we pretty much just make duct work and I’m about half way through the apprenticeship.
The job has become so boring and I hate the place I work at but there also the only place that is going to pay me as much as they do because I have history with them so going somewhere else isn’t really a option, I want to try and change career paths completely and get into something to do with IT or marketing because I like the idea of being able to work from home and also be able to do ur own jobs on the side when experienced.
Abit over a year ago my ex left me and ended a 6 year relationship because I was always depressed,
I now currently have a new partner that I haven’t really been seeing that long but she is now also pregnant.
I hate my job so much that it makes me miserable and I don’t want to go back down the same path so I want to change careers now while I have a chance before the baby comes. I also want to maybe travel for a month before the baby comes aswell as I’ve never really taken any holidays or time off to find who I am and what I like I’ve just been working non stop since 14.
I have enough money saved to support me for the next 4-5 years if needed.
I’m just scared that if I leave the apprenticeship I’ll regret it and I’m worried that I won’t be able to find a job in marketing after my holiday because of lack of experience but I am currently in rolled into a online marketing course

Please help

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