Sore on chickens foot

[ckeene1990]

Bumblefoot can be treated conservatively or with surgery to remove the pus. Since she is not limping I would probably soak her foot daily in warm Epsom salts water. Here is a good article on bumblefoot:
https://the-chicken-chick.com/bumblefoot-causes-treatment-warning/

Here is another for conservative treatment:
https://www.tillysnest.com/2015/12/non-surgical-bumblefoot-treatment-html/#:~:text=Treatment Plan for Chickens with,and leaving her feet out.

There are also methods such as using sugardine (betadine and sugar dressing, or Prid drawing salve dressings, changed daily.

Does it seem like Bumblefoot to you?