Here are a few things you can do:

- Get on a consistent posting schedule. Post as often as you are able to do consistently - aim for 2-3 times per week, then see if that is sustainable for you and adjust.
- Push out every post via social media. Ping some friends privately asking them to share with their network.
- Familiarize yourself with SEO and build an SEO-friendly site. The basics will get you a long way. Read Moz's Beginner's Guide to SEO to start.
- Create a place where people can sign up to your email RSS list. If you word it right, you can also email them updates. Building an email list is hugely valuable.

I hope all this helps. By doing these things, and connecting with influencers in the space, I've grown blogs to 20k+/mo no problem.

Happy to talk more if you'd like.