Hello Lee,
I believe that the example outlined in this How To article will fit your project requirements:
http://docs.telerik.com/kendo-ui/controls/data-management/grid/how-to/Editing/skip-non-editable-cells-when-tabbing
Additionally, to use tab navigation for one column only, you could modify the code from the above example like this:
I hope this helps.
Regards,
Preslav
Telerik by Progress