A new blog should not add to the existing noise the blogosphere. Do something outstanding to get noticed.
The more you share your posts on social media & the more you engage & entertain your readers, the quicker your readership will grow.
Post Ideas: At times you will just run out of ideas for post not sure what to do. use google and apps like Evernote to note down all that ticks in your mind. Something will surely turn into a new post.