Make all posts child pages of my blog page

I've been trying to troubleshoot this and look for the issue cropping up elsewhere, but can't seem to find it.

My website is setup so that all pages are commercial content, and the posts are blogs that have some connection to my core products, but are more 'mass appeal' light hearted content. I am trying to make each post that I'm building a child page of my /blog page but the page attributes option isn't showing for posts.

Is there a way to choose a parent page, or alternatively, could I just add the /blog/... to the URL without issue?

I really appreciate the great support you guys offer!