If you absolutely can't live on part time wages, then that is not going to work. And that could be more stress than your full time job. I would see if in fact you can make it on a part time salary. You will have to sit down and budget things out. It may surprise you once you put pencil to paper. Especially considering the commute.
Because you are a new grad, there are limited options. So get the experience you need while looking for something else. You could work the part time job, and do some per diem, perhaps. Try visting nurses, hospice, your local school district for some substitute nursing. Local MD offices, urgent care, giving flu shots (which is seasonal, but never the less extra $$). Make a resume, and bring it to local places that may not be advertising. Go to your local hospital websites and type in LPN in the job search. Hosptials are not prone to hiring LPN's, however, the MD offices that are affiliated with the hospitals sometimes do. Another thought is that if there is a union that is in the area for LPN's, look on their website, as they will also often have job listings.
If you hate your job, part of that could be just the overwhelming feeling we all get when it is new. Remember, we don't go to work to make friends, so your co-workers can do their thing, while you do yours, and if they are less than stellar people, not your issue. And generally, not many can tolerate administration, but unless they are on you about your work, then again--they may be less than stellar people, but fly under the radar and do your thing. You are there for the residents that you enjoy.
Worst case scenario--stock away as much savings as you possibly can--again, with the budget thing--if you are on the high end of the pay scale, and work part time until you can find another part time or per diem position. This is a huge chance, however. So you really need to take the step of writing it all out, and see how much you really need to live on.
Best of luck in your endevours.