What the everloving fuck?

I came home from work tonight to find Esther in a sorry state. I am assuming that Lucy fought with her. I've found some bite wounds on Esther and her ear that was swollen with a hematoma was drained from a puncture wound that I only assume was a bite. Now, it's 2:30 AM and after having bathed her, Esther is still bloody and in enough pain to not want to eat. Now I have a torn up old dog and a seemingly over aggressive young one, though it's never been exhibited in my presence. I'm completely freaked out about Esther being in pain. I also worry that Lucy might do it again. I realize I should just get rid of Lucy. This is unacceptable. I could Kennel her while I'm at work, I suppose. I've been watching Esther for the last couple of hours, and I know she'll be okay in the long run, but knowing that she is hurting is kind of killing me. Her breathing seems less labored, but she's whimpering. I suppose that if this were going to happen, at least it's when I just recently got my tax money so I can afford the vet bill. I almost loaded her up and took her to the vet ER, but that's expensive. I have a tendency to freak out and be over protective of my dogs. I'm livid at Lucy, I'm freaked out about Esther. I can't sleep because I'm worried about her. I keep staring at her to make sure she's breathing. I know she's going to be fine in the long run, but I'm so worried about her being in pain and that she's actually still bleeding. Also, on a shallower note, she's on the loveseat. It's got 2 blankets on it, but I'm still afraid it will be bled all over.

EDIT:
Esther was up and about when I got home tonight. She's still moving slow, but at least she's moving. The Vet gave us some heavy duty antibiotics and pain meds. Now it's just observing Lucy to see what the fuck happened and if she is actually aggressive or what may have triggered such behavior. I'm really confused and concerned.

EDIT 2: I am no longer convinced of Lucy's guilt in the Esther attack. I found bite marks on Giant Dog's ears today. Now I'm just wondering if Demian was complicit, guilty or also a victim. Really though, still just confused.

End