I suggest doing this for the one with the yolk.
Written by @Pyxis
from this article: https://www.backyardchickens.com/articles/guide-to-assisted-hatching-for-all-poultry.72886/
"Yolk Sac Not Fully Absorbed
Your chick hatched early, or you assisted a little too soon, and the yolk was not done absorbing. Don't panic, there's an easy fix. Firstly, you need to get that chick back into the lower half of its shell, if it has come out. Tuck it gently back in there. This will protect the yolk and keep it from getting ruptured. Next, you need to keep the chick in the shell and from being able to push itself out. We accomplish this by placing the chick, shell and all, into a small cup, which will hold the shell and the chick upright, thus preventing it from getting out of the egg. I find that a disposable plastic cup works well for this. You may have to prop the egg upright by using a dry paper towel to hold it in the proper position.
If there is a lot of yolk, it may take some time for the chick to finish absorbing it. Just let it be. When it's done, it'll be really moving around and struggling to get out of the bottom of the shell."
Written by @Pyxis
from this article: https://www.backyardchickens.com/articles/guide-to-assisted-hatching-for-all-poultry.72886/
"Yolk Sac Not Fully Absorbed
Your chick hatched early, or you assisted a little too soon, and the yolk was not done absorbing. Don't panic, there's an easy fix. Firstly, you need to get that chick back into the lower half of its shell, if it has come out. Tuck it gently back in there. This will protect the yolk and keep it from getting ruptured. Next, you need to keep the chick in the shell and from being able to push itself out. We accomplish this by placing the chick, shell and all, into a small cup, which will hold the shell and the chick upright, thus preventing it from getting out of the egg. I find that a disposable plastic cup works well for this. You may have to prop the egg upright by using a dry paper towel to hold it in the proper position.
If there is a lot of yolk, it may take some time for the chick to finish absorbing it. Just let it be. When it's done, it'll be really moving around and struggling to get out of the bottom of the shell."