Thank you for asking about your Chrysler Newport. The BlueDevil Rear Main Sealer would be the best product to use for the leak you’ve indicated. The product only has an effect on rubber seals, however, so you may want to verify the seal material. One bottle would treat up to 8 quarts...
This leak could be where a rubber hose meets a hard line or at a seal on your power steering rack where it connects to your tie rods or where the steering column connects. These seals are usually not serviceable so to get new seals you would need to replace the whole steering rack or ...