Uploading Wordpress blog to my new directory

I have a Wordpress blog that I moved to Deamhost under my domain name kyndell.com about a year ago. Now I’d like to move another Wordpress blog to the directory I created kyndell.com/william. I tried importing the .xml file from the william blog to my database (zipped and unzipped) no luck. I created a new database thinking that would solve my problem…nope.

Any suggestions on how to import a Wordpress blog to my new directory?