We knew ''Queer Eye for the Straight Guy'''s Jai Rodriguez had theatrical roots, but blond ones? Before working makeover wonders on hopeless heteros, he was working it Off Broadway in ''Zanna, Don't!'' With the CD's Oct. 7 release, you can hear Jai sing the role of a magical gay matchmaker in -- eww! -- acid-washed jeans. As Carson might say, ''Jai, don't!''