hero has ($9.85) in SB

MP ($20.85) opens 3xBB to .15
hero calls

pot is .37

flop comes

hero checks, MP bets .40, hero raises to $1.30, MP calls

pot is $2.97

turn is

hero bets $1.95, MP calls

pot is $6.85

river is

hero shoves $6.30, MP tanks..

im 4 tabling , 2-$5 and 2-$10 zone tables. which is basic readless poker other than stack size at start of hand, and bet sizing,timing during hand.
my question is whats heros perceived range in this spot?

remember all we know is players with 100bbs+ are competent. that's it.