I have a MILF Dating domain..
 

Any suggestions on what to do with it?

It is a pretty strong domain name I think. With the words Cougar and Date contained in the domain name.

Should I white label it.. or install my own script and try to start it up from scratch... any other ideas?

Give a try to Lonelywifehookup.com

It's MILF dating sponsor under uLust

sign up for Lover Cash they have a great MILF dating site that converts like gold for me

check out DateACougar.com or LonelyHousewives.com or MILFDating.com, all do well for me.

if I were you, id write up a few blogs on the site and get it some SE traffic. doesnt take much to start getting a few signups :thumbsup

Lonelywifehookup.com is the go :)