Started New Job, But Saw A Better On: Should I Apply?

Hello!

So, I started a new job working in a Vets at the beginning of this month. It's not my dream job but I thought it would be more interesting than retail (which I've been doing for 10 years).

Anyways, I've seen a trainee journalist position that I'm really interested in and would love to progress in. My main job interests are graphic design, content creation, copywriting, editorial design and media. So this job sounds great; it's much closer to the field I'm interested in and went to Uni for and it's a lot closer to home (I'm a carer for my Mum so being closer is better for us both)

The new job being quite a way from home has been giving me a fair bit of anxiety; feelings of dread, emotional, stomach ache, nausia, lack of sleep blah blah. I'm trying to hide it from my Mum but I can't eat properly and she'll notice sooner or later something is wrong because I'm usually always eating 😂

On one hand I think I should give it more time, on the other I don't want to miss out on the other opportunity.

How would you go about leaving a job so soon? Has anyone had this experience? Should I be honest with the potential new employer? Should I include the Vets job on my CV when I apply?

Any advice welcome!