Yes it is offered, there are two departures, one at 7 PM and one at 9:30 PM (those are the normally advertised times, I'm assuming they are the same during the winter months).
Couldn't tell you the times but the hayride came past our site tonight in the 800 loop. One lone couple sat in the back looking like they was having the time of their lives.
PS, don't walk barefooted down the road at night after the hayride passes. Wife and I was surprised to see road apples being left.
Thanks - we'll have to try and make it over. Hopefully, we won't get eaten by mosquitoes like we did last August. I was itchy for the rest of the week.