Yes, you can still get Chrome on iOS 9.3.5, but you cannot download the latest version. You must download the (roughly Chrome version 61 to 63) which was the final release to support 32-bit architecture and iOS 9. How to Download Chrome on iOS 9.3.5
If you do not have direct access to a newer iOS device to log into, you can use Apple's Family Sharing ecosystem to inject Chrome into your device's ecosystem. Step-by-Step Instructions: Google Chrome For Ios 9.3 5 Download-
Due to Apple's strict developer policies at the time, all iOS browsers (including Chrome) were forced to use Apple's WebKit rendering engine underneath. Chrome on iOS 9.3.5 is essentially Safari with a Chrome user interface wrapper. Yes, you can still get Chrome on iOS 9
Log into that newer device using the linked to your iOS 9.3.5 device. Google Chrome For Ios 9.3 5 Download-