Well Pekins are definitely easy tame. I don't know about kc's besides them being super cute. Give them lots of ducky cuddles as ducklings helps tame them and treats help too!
do you think you could have a llook at my thread with any advice on how to deal with my drake pekin im scared they dont like our family because we found them abandoned and haven't been around them from hatchlings..
https://www.backyardchickens.com/t/861939/how-to-show-im-not-a-threat#post_13008153