Unless your hot spot as a LAN output port from the M1000 to the RBRs WAN port input, then no. the RBR needs a RJ45 port connection with a ISP Modem or ONT or a upstream router. The M1000 doesn't have a RJ45 LAN port.
My Setup | ISP SparkLight | Internet Cable 1000↓/50↑ CAX30 Mode Mode | Wifi Router XR500 and RBK863 Router mode | Switches NG GS105/8, GS308v3, GS110MX and XS505M | Additional NG HW: C7800/CAX3/CAX80/CM1100/CM1200/CM2000, Orbi: CBK40, CBK752, RBK50, RBK853, RBK752, RBK953, SXK30 | NightHawk: MK63, R7000, R7800, R7960P, R8000, R8500, RAXE500, RAX120v2, RAX50v2, XR450/500/700/1000, EX7500/EX7700
