So here's hoping next time I won't have to do it at all. Cross your fingers!
Anyway, for our ride, we did some warmup walking and trotting and I kept to doing a lot of the work closer in to the middle of the ring and letting him walk/rest on the rail. Once he was warmed up, we did quite a bit of cantering and he gave me a lot of really nice transitions and one really really nice, forward, but a bit more collected and balanced than usual, canter. Now if I could just figure out how to ask him to do it that way more often! ;)
After that, we dialed it back a bit and I got off and rolled out the soccer ball. He stood to let me back on (lest I chase him around again!) but I could tell he was like, "but you got off! that means you're done!" which was part of why I got off to do something, then got back on. ;)
Anyway, we chased the ball around a bit and he's getting really good at trotting after it and he's figuring out I want him to push it away from the wall when it gets stuck.
Once we were done with that, I hopped off and pulled off his tack so he could walk around (and roll if he wanted to) while I cleaned up the arena.
All in all, he was a really really good boy. And oh! Here's part of the email I got from Christina yesterday regarding him:
Just wanted to let you know that [Student] rode Kieran in her lesson tonight. [...] He really was a good boy and helped her confidence increase ten fold.What a nice warm fuzzy. :D
I just wanted to say thank you for letting your awesome horse give lessons! He has helped [Student]'s self esteem more than you realize :)