Now you have a own dating site and you ready for monetize your traffic.
You can use a social networks, linking to profile, direct advertising of main site and many more ways...
I recomend to start with blogging as more productive way to get traffic.
Blogs can generate a huge amounts of traffic.
And this way in the future allow to build your own blogs network around your site.
Recommendations:
Give valuable information for your visitors.
Use headings and sub-headings based on keyword phrases.
Ensure your blog is optimized for search engines
http://wordpress.org/extend/plugins/all-in-one-seo-pack/Be mindful of good keyword density.
Write quality text and do it often.
Write articles and submit them to special directories.
Use right and loud titles for your posts.
Give to content an original feel.
Linking to your other blog posts making readers remain longer(and good for search engines)
Use social bookmarking plugins.
Make use of discussions, polls and other interactive elements.
Submit to site/blog/niche directories, news aggregators, search engines, top lists and ping a good selection of ping services with each post.
Link exchange with relevant sources.
Comment on related blogs(don't stupid spam).
Network with relevant blogs via comments and trackbacks.
Participate in discussions on other blogs as well as your own.
Post snippets of your blog posts on forums and link to your main article.
Use a signature and participate in forums without being spammy.
You can add a signature with your site banner to your email.
Group writing in complimentary niches with other bloggers.
If you have any ideas or questions feel free to comment.
