You can simply put it in a sealed ziplock bag. This way, you'll be able to safely look at it and try to identify it. Once the tick is secure, it won't be too long before it dies anyway (from extreme dryness). Personally, we would keep the ziplock bag around. If there are no symptoms or other consequence that develop, say within 2-3 months of the bite, you could just discard the tick card or baggie in the trash.
You can always send it to be tested if you are concerned about transmission/potential infection.