Yes, pound supports SNI - I'm using such a setup myself.
BUT - it only supports SNI starting with version 2.6. Your problem may be related to you using an older version.
Check what version you are using. I think it can be done with
pound -V
I've compiled a package for Debian - it may be of some use for you:
http://blog.ideaday.de/max/2012/12/p...-for-debian-6/
Good luck :-)