Show a blog post only on blog feed

You only want to show one post on your blog’s feed? One post at a time, or one specific post forever?

I exactly want to show my special posts only on feed.

You’ll have to create a custom feed template, which is not easy. Read these articles for more info:

https://www.seodenver.com/custom-rss-feed-in-wordpress/

https://yoast.com/custom-rss-feeds-wordpress/

Can i do this with a plugin?