As you have rented your timeshare for less than 14 days in the year and used it for more than 14 days, you do not need to report this rental income. You cannot deduct any rental expenses either.
Please read this TurboTax article for more information:
https://turbotax.intuit.com/tax-tips/rental-property/10-tax-tips-for-airbnb-homeaway-vrbo-vacation-rentals/L8CEWgLSP