Communion Blessing?

Extraordinary Ministers (people who aren’t deacons, priests, or bishops)
  may distribute Communion when there is a lack of ordinary ministers
and there is an unduly large number of communicants.

Photo found at

Can extraordinary ministers give blessings to those who cannot receive Holy Communion?

In short: No.

Fr. Z posted a statement from the Diocese of Madison, explaining the issue.

[Note: the author happened to get a MTS from a highly reputable university.]