Help! First egg hatching!!

[Pip's chicks]

so my cochin hen has been sitting on her eggs like a good mama....yesterday I saw a little bullseye crack in one of the eggs and this morning about half the egg shell is off but the membrane is still intact and over the chick..I can see it move and heard a peep but the membrane is looking a little dry....like it is shrink wrapped the chick. Do I help or is this normal?

 

[hdowden]

idk. i know if you were incubating them then it would need a little moistier on the membrain to help if it looks like it is shirnk wrapped but with a hen sitting on it idk