small hen

Hi everyone! I have a flock of ten chickens, with two groups of five integrated at different times. My older hens are two years old and my newer hens are a year old. Of my older ladies, recently the smallest hen has been getting picked on pretty seriously by most of the rest of the flock. Her...

So I recently got a chicken from a friend who found this girl roaming in her yard and since she couldn’t keep her I took her in. She’s a very small hen, probably under 5 pounds and she has feathered feet. I’ve looked everywhere and I can’t find out what breed she is? Can anyone help me out?