I would take him back out, and keep an eye on him for a few hours just to make sure he isn't too shocked. I wouldn't think an hour would be too long though
Keep an eye on it. Try not to aggravate the wounds, and keep an eye on his energy. I'm familiar with that smell from some of my worser cases with feet during the winter.
I leave them be if it's just combs and wattles, and even if it's just a toe or two.
Is he the only rooster? How warm is it outside versus where he is inside?
For reference, this 👇 is a mild case where my flock is.
Many of my older boys simply have no comb anymore as awful as it sounds.
Just try to make sure he isn't forced to scrape his comb on anything constantly