Juliet is his best choice, and I would make her a werewolf too, but there is nothing wrong with her being a spellcaster. You say she would put a lot of strain on him, but the others would put a strain on him too, just in different ways. I think she's the perfect person to understand him and help him past the strain on him. She would help him see that in their own ways they are both working to make their community a better place.
If you do decide to share this story please at least keep open the idea of raccoon world domination. It's an under appreciated plot line, so much so that you're the only person I know of who's ever mentioned it. It's quirky, and I like quirky, and it shows growth on your part artistically since we would all be expecting you to have dragons take over the world....unless after the raccoons replace the humans, it would be dragons vs raccoons.?