Yes, Mike, you can still use the dryer even if the sanitizer is not connected, but you won't be able to use the sanitize cycle of the appliance.
Please see the instructional video for details on installing or not installing the sanitize water line on the 2:56 Connect water supply hoses for additional details.
How to get your home ready for your Samsung washer delivery
https://www.youtube.com/watch?v=hGdhHN1O6xw
Should you need more assistance, please feel free to get back to us via the following options:
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When you message us, please provide us with this reference number (1146938797) to help our team gather your information.
Have a great day.
^Charles