Agreed.

A look at www.frets.com might be helpful, Frank Ford is a hero among guitar folk.

If the scratches are fairly light, they might just buff out. Find a local luthier for advice and service. I've a frined who builds for a living and he's done exactly this repair for me a couple of times as I don't have a buffing wheel.

As for the dog, you're on your own with training.

Peace, Mooh.