Pardner, you're asking medical advice on a chicken board. There may be doctors, PAs or nurses amongst us but none of them is your doctor. FWIW, your rooster's spurs hang under your rooster's butt and are coated with whatever your rooster traipsed through, plus whatever he dug off of the hens he mounted. That kind of scratch is nothing to take lightly, much less a puncture wound.
See a doc. Maybe get a shot. Maybe some oral antibiotics. I wouldn't risk it at all.
Also, kill that bird. Life is too short to endure an aggressive rooster.