if we understand correctly, the post above has already given you the right answer.
first, set the dns server name to
you should do this in GoDaddy.
second, add domain in DH panel --> Domains --> Manage Domains
Just give some extra info. It may take some time for the DNS change to propagate in the server.
More information, you can refer to http://wiki.dreamhost.com/index.php/KB_/Domains/Transfers/_Transfer_Hosting
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