It isn't on any album unfortunately.
Well, actually, the song IS on an album, as you can see here:
http://www.rejectedunknown.com/discography/albums/decemberblues.htmHowever, I am not certain (a) whether or not the CD is out yet, nor (b) what version of "Broken Dreams" is on it. I doubt that it's the solo live performance from MTV, and the only version I'm sure exists by the Rhythm Rats doesn't involve Daniel on any instruments or vocals. The Rats did record some more stuff w/Dan in the last year or two, but I can only guess as to whether they did a version of "Broken Dreams" with him singing.
- NotDan