Unless you changed it form the default when you "added the domain", on DH your "webroot" directory is the same name as your domain name. So, in this case, it appears to be "stoodup.net".
Note that is very different than "/stoodup.net" in *nix (Dreamhost runs Debian Linux) terms.
The full "path" of that directory will be :
When referring to the directory in scripts or programming you can (and should) omit the ".something/" part of the path.