Grow your Blog Organically. Don't force/ask anyone to share, follow or comment on blog. Just focus on promotion.
Make sure you are interacting with your readers! If you are not doing so, your are not blogging.
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.