Sidebar Alignment

I am using Prospress and having no problems so far except for the sidebar alignment which is under my post.

I have read the instruction to move the Prospress index sidebar code and that didnt work.

Any clues please, in simple terms, how to get my sidebar UP on the side?

https://1stangel.co.uk/auctions/3-months-advertising-on-1stangels-sidebar-on-all-post-pages/