We all learn lessons from our mistakes that I the price we pay for being human. Good you were not hurt and a truck is just a "thing" Don't blame yourself as experience changes how we will do the next time. Dust yourself off and drive some more and just consider this one of life's lessons. May...
I would use the betadine since you have it and do use it full strength Maybe do this every day for a few days... yoou could call your farrier and ask him what the thinks as i am sure he has seen this before. Good luck