I would trim or pluck some of the feathers away from the wound, re-clean it, then apply your triple antibiotic ointment to the wound.
Is he able to walk o.k.?
Welcome To BYC
Can you post photos of Kyle's injury?
Sounds like you have cleaned it well.
Depending on what it looks like, it may be better to leave the wound uncovered.
I'll tag in some knowledgeable Duck folks that may be able to offer some suggestions as well. @Miss Lydia @New duck...