Good advice from Rocky.
9 bottles? This must be a very small barrel - 6 liters. Just make sure you fill the barrel.
Yes, you can do it, but you likely will need to add some more k-meta. The barrel will deplete your free SO2 very quickly. Add it when you pour in the wine.
In that small of a barrel, the oaking will take place very quickly. I would sample the wine for proper oak about every 4 days.