Use technology - Social plugins and SEO tools are a great thing to market your blog or a blog post. If you do not know about it, then learn it. It helps you reach out your audience in a better way and also improves the ranking of your blog.
Grow your Blog Organically. Don't force/ask anyone to share, follow or comment on blog. Just focus on promotion.
Write guest blogs for others and have guest bloggers on your blog to increase your audience.