You can't. You need either a "VGA to video" adapter, and then use the balun; or change the baluns for a "VGA over UTP" extender. This last one would provide you with a way better image quality, but you need to make sure that the monitor in the kitchen also has VGA input.
The image quality with this cable might be bad. You might need to end up buying a "VGA splitter" that connects to power.
Thank you for the info.