Hi Morgan;
You might have caught it in the nick of time.
I would rack it to get it off the lees.
Check the SO2 and top it up.
Either rack it to a 1/2 gal & a 750 bottle or top it off as you suggest into a one gal.
If it was me, I would add about a 1/4iz of oak cubes, Fr/Med.
Cheers!
Jim