Hey Kip. Congrats on the birth of baby kip! Mini MountainMonkey is now 3.5 months old and I'm in a similar position to you, just getting back on the bike properly now.
Mr. MountainMonkey and I have been talking about a skills day for me too – like you say confidence can definitely take a knock after 9 months off – so if you find someone good, would you mind letting me know?
It actually sounds like we might be of a similar ability too* (though I could be deluded!), so if you fancied joining up for a day (as I'd like to work on the same things as you along with my cornering technique) I'd be up for that. No worries if you don't though, but I'd still be interested to hear how you got on.
Cheers! MM
*I'm pretty crap at jumps as I've only just started riding flats on the odd not too technical ride, having always just 'spud-hopped' rather than actually jumped.