Dollar General complaint: Store Manager power abuse

I work at a dollar general as a keyholder. I’ve been with the company for over a year now. I’ve asked for a raise because I make less than 11 dollars an hour to do manager work. To put it into perspective for those who say 11 is a lot of money- a convenient store worker here makes 13.50.

They refuse to give me a raise so I went and got another job, I stayed an employee there part time because if I didn’t they’d only have 3 people running a store. The store manager now has a full team of 6 people plus me and her so 8 all together.

Today I got a text asking where I was I was late. I wasn’t late I still had an hour before I had to come in. Then she turned around and left for an hour to take her child to work- which is usually her lunch but she has never once clocked out for it- even as a keyholder- she completely steals time from the company.

Now, I am suppose to leave at 1pm due to my other job being at 2pm. Something was going outside when she came back and she was more worried about that then letting me go. Irritated she was taking away from my lunch- which would have taken a bit to get since lines are long at most restaurants during this time. I clocked out at 1:05pm knowing I was not going to get paid for the 5 minutes because the company rounds their time.

I tell her I’m leaving and she yells at me I never do anything for her and that I am to turn in my keys to her because it wouldn’t have been bad for me to wait another 5 minutes. Was I in the wrong?