Just seeing this now... Agree the possible UTI needs to be resolved before any vaccines are given...
 
Also, JMHO, I would give the DHPP one day, then next month the Rabies, then the next month the Lepto. Giving them all at once to a small (or large ) dog can overload their immune system.  
 Also, please read this:  
http://www.yorkietalk.com/forums/die...ntibodies.html