Electrolytes would help.I got her but couldn’t grab her friend - who to be fair is bigger and better feathered than she is. But still.
The broody one looks really dehydrated. She didn’t stop drinking for a full 15 minutes after I got her.
Try to get some food in her.
Not trying to be bossy but if you aren’t hatching chicks, you really should do what you can to break her.
Being broody is a hormonal condition that can be cyclical. A determined broody can kill herself from losing more conditioning each time.