Which patch i need for onyxia? 2.4.3?

Which patch i need for onyxia? 2.4.3?
I what to download tbc but i don.t know what patch i need for Onyxia...Can anyone help me with a download link please

It's WOTLK client 3.3.5
You can get it from the website https://www.warmane.com/download