Wow, lot's to catch up on. I'll have to sit down tomorrow when I'm off and go through the posts.
Lynzi don't let it bother you.
If hatching were easy, everyone would be doing it. Every time I run the incubator is another learning experience. It does sound like they may have drown in the shell. It's ok, things happen, you learn and move on. Luckily they were your own eggs and not expensive shipped ones.
As for the silkie chick, could it be spraddle leg? If so I did a quick google search and found this
https://www.backyardchickens.com/t/41693/spraddle-leg-splay-leg-treatment-instructions Maybe it will help.