Possible blockage: not eating, pooping urates

[bmaw]

The calcium citrate tablets with d3 are the cheapest. Just put the tablet into the chicken’s beak. Done.

Edit: I think she may have a soft shell still inside of her. She passed what looks to be 1/2 of the double egg on 2/16 (both photos below) Usually she perks up afterwards, but she kept behaving like she still needed to lay. How can I try to remove it?