Hi, If you want to rank your blog post in google, the content must be unique, informative and valuable. And there is some technical points of SEO, Like Meta title, description should be well optimized. and the do keywords internal linking and then just share it on your social networks It just take a few days to show in SERP. It’s my personal experience. try it
Another great way to promote your blog is to reach out to other bloggers in your niche and see if they would be interested in guest posting on your blog or featuring your blog on their website. This is a great way to get your blog noticed by people in your industry.