Yes
Someone on the Dan Wesson Forum might be able to help.
Yes.
Right side of the frame.
50-350 USD or OS
dan wesson model 163305
http://en.wikipedia.org/wiki/Dan_Wesson_Firearms
Determining model by serial number requires the data from the maker. DW has not published any of that data.
Revolver made by D Wesson chambered for 357 Magnum
50-400 USD or so
Someone at the Dan Wesson Forum might be able to help
No published sn data I am aware of. 100-600 USD or so