I figured it out last night. I had to allow traffic to my VLAN gateway IP address first.
Proto Source Port Destination Port Gateway
IPv4 * USVPN net * 192.168.1.1 * *
IPv4 * USVPN net * * * VPN_WAN_DHCP
Proto Source Port Destination Port Gateway
IPv4 * USVPN net * 192.168.1.1 * *
IPv4 * USVPN net * * * VPN_WAN_DHCP