You are at a slight disadvantage because you are not booking a 7 day stay with the 11 mo+ 7 day window. (Others could already book the Fri-Th or Sat-Fri before you book your Sun-Th)
But Sun is a popular checkout day (to get back to work) so I think you have a decent chance..just plan to be online and ready to book a 7:00am Disney time 11 months out from your checkin.
You will be fine if I book at exactly 11 months. I own at BCV and have always gotten what I want at exactly 11 months during food and wine and BCV is smaller than BWV