Faucet is dripping. Is there adjustment needed or new washers. Do you have replace the whole deal!

Hello Valued Customer, Thank you for your question about the Delta Faucet model 11946-SSSD-DST Single Handle Kitchen Faucet With Spray & Soap Dispenser, I would be more than happy to assist. If a faucet is dripping we would first recommend flushing the faucet. If the flush does not take care of the leaking issue, we recommend contacting our customer service department directly for further troubleshooting. I have included the directions below. DST Flush from underneath - This type of flushing requires to be under the sink. *Please gather a 5 GAL bucket and some towels for excess water. 1. Please shut off both hot AND cold water supplies. 2. Remove the COLD water line and point the line into the bucket. 3. Turn the HOT water on and allow the water to flow into the bucket for about a minute. 4. Turn the HOT water back off and install the cold water line correctly. 5. Remove the HOT water line and point the line into the bucket. 6. Turn the COLD water on and allow the water to flow into the bucket for about a minute. 7. Turn the COLD water back off and install the hot water line correctly. Thank you for being a loyal Delta Faucet customer. We look forward to better serving you in the future. Please contact us directly with any further questions. Best Regards, Kayla