You had the correct solution! I had forgot to edit the RE-filter.
Also, dhcp relay within the VRF did not work.
I have added it to forwarding-option, and now it works fine.
Thank!
set forwarding-options helpers bootp relay-agent-option
set forwarding-options helpers bootp description "Connection for DHCP Relay"
set forwarding-options helpers bootp interface ae0.42 server 8.8.8.8 routing-instance 5354