I reckon your grind is still a bit too coarse. *Dose the same as the first attempt, but keep grinding finer until you choke the machine. *Then go coarser until you find the right pour. You must keep your dose consistent.
Water pouring out the side is more than likely overdosing. *Too much coffee in the PF and not creating a proper seal.
Milk texturing on a HX machine is a much faster process than what youre used to. *10 seconds from start to finish is common for a single cup. *That just means you need to refine your technique.