The feathering color will change as it looses its fluff and gains the adult feathers. All I see is feathered feet. Not swelling. Thick feet and legs can mean a male in many breeds. There that gives you something to watch for every single day.
I need to add -
See the blood in that shell? The chick pipped but really wasn't ready to hatch. They can go a day or two pipping, zipping a little, sleeping, resting, zipping a little more - all this gives them time to absorb the yolk completely and for the blood in the veins to receed. The...
If it is attached to the shell, clip it down by the shell NOT up by the chick. Keep the chick very warm and let it sleep and rest. It will move around and flop then go back to sleep. The yolk membrane will eventually start to dry up and will fall off or you may have to clip it when it is VERY...